What are some alternatives?
Twilio - Brings voice and messaging to your web and mobile applications.
Cisco Contact Center - Provides a secure, highly available, and easy to deploy customer interaction management solution.
Plivo - Plivo's Voice API enables businesses to build Voice apps to reach customers globally in 200+ countries. Try Plivo's Voice API for free. Instant Sign Up.
Anywhere365 - Dialogue management for the business enterprise that manages real-time dialogues for Microsoft...
Bandwidth - Track your Wi-Fi hotspot usage. Zero configuration required. It just works.
VoxImplant - Voximplant is a software program that allows businesses to automate communications by setting up automatic communication systems in the cloud.